Pin Donal Macintyre Unsolved Investigative Journalist Donal Macintyre Examines Some Of The Most Notorious And Intriguing Unsolved Cases In The Uk And Ireland And Why There Have Never Been Successful Convictions With Access To Original Case Files And Interviews With Those Close To The Victims Donal And His Team Shed New Light On The Cases And Investigate Why They Continue To Remain Unsolved Despite Modern Detective Methodsp Pcases Include The 2009 Disappearance Of Claudia Lawrence A Chef From York Whose Body Has Never Been Found The Robbery And Murder Of Leeds Millionaire Businessman John Luper At His Home In 2004 And Missing Schoolboy Daniel Entwistle Age 7 Who Disappeared In May 2003 In Great Yarmouth Norfolkp